Common use of Foreign Currency Clause in Contracts

Foreign Currency. If Xxxx enters into any transaction for Customer effected in a currency other than U.S. dollars: (a) any profit or loss caused by changes in the rate of exchange for such currency shall be for Customer's Account and risk and (b) unless another currency is designated in Xxxx'x confirmation of such transaction, all margin for such transaction and the profit or loss on the liquidation of such transaction shall be in U.S. dollars at a rate of exchange determined by Xxxx in its discretion on the basis of then prevailing market rates of exchange for such foreign currency.